Inventor
Hiroshi Sumiyama
Inventor
Aichi, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography32%
H04NPictorial communication, e.g. television18%
C12NMicroorganisms or enzymes9%
C12YEnzymes9%
G06KGraphical data reading9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
B26DCutting5%
G06FElectric digital data processing5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
7,365,869'Image forming apparatus'20087,227,659'Print controller and image forming apparatus'20077,110,131'Image forming system and image forming apparatus for transferring job data when an impaired image forming state is detected'20067,038,812'Image processing apparatus, image forming apparatus, image processing method, and image forming method that allow forming of an appropriate image with small amount of recording material remaining'20066,944,412'Job information display apparatus, job execution apparatus, job instruction apparatus and job processing system'20056,573,974'Image forming apparatus capable of producing high-quality bound documents of any thickness'20036,415,116'Image forming apparatus, job controlling apparatus, and job controlling method'20026,249,658'Image forming apparatus capable of independently processing multiple jobs'20015,995,779'Image forming apparatus for registering a plurality of print jobs in memory and selecting sheet tray accordingly'19994,048,014'Method for obtaining urokinase'19774,025,390'Method for recovering urokinase from a urokinase-containing solution'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977Patents assigned to HITACHI CHEMICAL CO LTD (2)· patent assignee history
1977Based in Hitachi, JP· patent location history
1999–2008Patents assigned to MINOLTA CO LTD (9)· patent assignee history
1999–2008Based in Aichi, JP· patent location history
2003Based in Toyokawa, JP· patent location history
2005Based in Nishikamo-gun, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINOLTA CO LTD | 9 | 1999–2008 |
| HITACHI CHEMICAL CO LTD | 2 | 1977 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aichi, JP | 7 | 1999–2008 |
| Hitachi, JP | 2 | 1977 |
| Nishikamo-gun, JP | 1 | 2005 |
| Toyokawa, JP | 1 | 2003 |